%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Titantah_etal2006} {\textquotedblleft}\textit{The effect of hydrogen on the electronic and bonding properties of amorphous carbon}{\textquotedblright}. Titantah JT, Lamoen D, Neyts E, Bogaerts A, Journal of physics : condensed matter \textbf{18}, 10803 (2006).   http://doi.org/10.1088/0953-8984/18/48/007

\end{thebibliography}

\end{document}

